How to get Flickr API key?
Some Shopify apps need Flickr API key to work. This step-by-step tutorial walks you through how to create and get a Flickr API key.
First you must login to your Flickr account.
Then click on this link https://www.flickr.com/services/api/misc.api_keys.html.
Click on the Apply for your key online now link.
Choose which key you want to apply for Commercial or Non-Commercial (The non-commercial key will be free of cost and the Commercial key will cost you money).
Then fill up the short form about the app and provide details about the where are you going to use the API key.
Click on the Submit button and get the API key.